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Systematic review and meta-analysis evaluates trilaciclib for chemotherapy-induced myelosuppression in solid tumors.

Systematic review and meta-analysis evaluates trilaciclib for chemotherapy-induced myelosuppression …
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Key Takeaway
Note trilaciclib reduces myelosuppression in solid tumors; overall survival is unchanged and further study needed.

This systematic review and meta-analysis synthesized evidence regarding trilaciclib for chemotherapy-induced myelosuppression in solid-tumor patients receiving chemotherapy. The review included data from 726 patients across multiple studies with short follow-up in some instances. Setting details were not reported in the source material.

Key findings indicated a significant reduction in the incidence of severe neutropenia and febrile neutropenia. The duration of severe neutropenia was shortened, and the need for erythropoiesis-stimulating agents, granulocyte colony-stimulating factor, and red-blood-cell transfusions decreased. Anemia rates also decreased without increased risks of nausea, vomiting, or fatigue. Progression-free survival was significantly prolonged, though overall survival remained unchanged. Primary outcome data were not reported in the source material. Secondary outcomes included these hematologic parameters and survival metrics.

Authors note limitations including a small number of randomized controlled trials, heterogeneous chemotherapy regimens, and potential publication bias. Short follow-up in some studies may limit long-term safety assessments. Serious adverse events and discontinuations were not reported in the source data. Safety tolerability was not reported. The certainty of evidence was not reported. Funding sources were not reported. These limitations affect the strength of the conclusions. While the data can guide clinical use, further well-designed studies are warranted to consolidate its efficacy and safety profile.

Study Details

Study typeMeta analysis
EvidenceLevel 1
PublishedApr 2026
View Original Abstract ↓
ObjectiveTo systematically evaluate the clinical benefit and safety of trilaciclib in solid-tumor patients receiving chemotherapy and to inform clinical practice.MethodsFollowing PRISMA guidelines and registered at PROSPERO (CRD420251053232), we searched PubMed, Embase and two other databases from inception to June 2025. Six randomized controlled trials enrolling 726 patients were included. Meta-analyses were performed with Review Manager 5.4.ResultsTrilaciclib significantly reduced the incidence of severe neutropenia (SN) and febrile neutropenia (FN), shortened SN duration, and decreased the need for erythropoiesis-stimulating agents (ESAs), granulocyte colony-stimulating factor (G-CSF) and red-blood-cell (RBC) transfusions while lowering anemia rates. These benefits were not accompanied by increased risks of nausea, vomiting or fatigue. Progression-free survival (PFS) was significantly prolonged, whereas overall survival (OS) remained unchanged; patients aged ≥65 years and those enrolled in U.S. trials derived the greatest benefit. Limitations include the small number of RCTs, heterogeneous chemotherapy regimens, potential publication bias and short follow-up in some studies.ConclusionTrilaciclib effectively prevents chemotherapy-induced myelosuppression in solid-tumor patients and can guide clinical use, but further well-designed studies are warranted to consolidate its efficacy and safety profile.Systematic Review Registrationhttps://www.crd.york.ac.uk/PROSPERO/, identifier CRD420251053232URL.
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